Though Mr Thompson had turned the lights off before he went to bed,they were on in the morning

题目

Though Mr Thompson had turned the lights off before he went to bed,they were on in the morning
翻译出来是 虽然汤普森临睡时把灯关了,但是早晨灯却都亮着.
说出原因 为什么可以这样翻译 没有灯亮的单词啊!

答案

turn the lights off是 把灯关掉 的意思
turn the lights on 把灯打开